- Gender: Male
- Birthday: 1941-06-18
- Day of Death: 2016-08-09 ( 75 years old )
- Place of Birth: Karaikudi, Tamil Nadu, India
- Also Known As: Panju Arunachalam
Panchu Arunachalam was an Indian writer, director, producer and lyricist who worked in Tamil cinema. He was mentored by poet Kannadasan who was his uncle. He also worked as a songwriter. He started producing films under his production banner named P. A. Arts.